CN111509608A - GIS equipment - Google Patents
GIS equipment Download PDFInfo
- Publication number
- CN111509608A CN111509608A CN202010327465.3A CN202010327465A CN111509608A CN 111509608 A CN111509608 A CN 111509608A CN 202010327465 A CN202010327465 A CN 202010327465A CN 111509608 A CN111509608 A CN 111509608A
- Authority
- CN
- China
- Prior art keywords
- protective film
- film
- outer shell
- gas
- gis device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000001681 protective effect Effects 0.000 claims abstract description 45
- 239000010410 layer Substances 0.000 claims description 35
- 239000012528 membrane Substances 0.000 claims description 15
- 239000012790 adhesive layer Substances 0.000 claims description 12
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 7
- 239000003063 flame retardant Substances 0.000 claims description 7
- 230000003647 oxidation Effects 0.000 claims description 5
- 238000007254 oxidation reaction Methods 0.000 claims description 5
- 239000012780 transparent material Substances 0.000 claims description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract description 10
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000003064 anti-oxidating effect Effects 0.000 description 12
- 239000000463 material Substances 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 206010033799 Paralysis Diseases 0.000 description 1
- YUWBVKYVJWNVLE-UHFFFAOYSA-N [N].[P] Chemical compound [N].[P] YUWBVKYVJWNVLE-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
- H02B13/055—Features relating to the gas
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
- H02B13/065—Means for detecting or reacting to mechanical or electrical defects
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention discloses a GIS device, which comprises an outer shell and a malleable protective film, wherein an air chamber is arranged inside the outer shell, SF6 gas is filled in the air chamber, and the protective film is attached to one side surface of the outer shell, which is far away from the air chamber. The protective film is attached to one side face, away from the air chamber, of the outer shell, on one hand, the protective film can prevent one side face, away from the air chamber, of the outer shell from contacting with external air, and the service life of the GIS equipment is prolonged; on the other hand, when the outer case is rusted to form a rust hole, SF6 gas inside the gas chamber having a certain pressure is ejected from the rust hole at a high speed, and SF6 gas having a high speed pushes the protective film due to the ductility of the protective film, thereby forming a bulge protruding toward the outside of the outer case on the protective film. By the design, a maintainer can quickly find the rust hole according to the specific position of the bulge on the protective film, and the rust hole on the outer shell is blocked in time.
Description
Technical Field
The invention relates to the technical field of power equipment, in particular to GIS equipment.
Background
The inside of the existing GIS device is usually filled with SF6 gas to improve insulation inside the GIS device. After the GIS equipment is used for a long time, the shell of the GIS equipment is easily corroded, so that corrosion holes can appear on the shell, SF6 gas leaks from the corrosion holes in the shell to influence the normal use of the GIS equipment, and the corrosion holes need to be blocked in time. However, since the SF6 gas is a colorless and odorless gas, specific positions of small corrosion holes are difficult to detect, great difficulty is brought to maintenance of the GIS equipment, and in addition, the GIS equipment is paralyzed due to leakage of the SF6 gas for a long time.
Disclosure of Invention
The invention aims to: a GIS device is provided that can quickly locate leaking SF6 gas on the outer housing.
In order to achieve the purpose, the invention adopts the following technical scheme:
the GIS equipment comprises an outer shell and a malleable protective film, wherein an air chamber is arranged inside the outer shell, SF6 gas is filled in the air chamber, and the protective film is attached to one side face, deviating from the air chamber, of the outer shell.
As a preferable technical solution of the GIS device, the protective film completely covers a side of the outer casing facing away from the gas chamber.
As a preferable technical solution of the GIS device, the protective film includes a film body and an adhesive layer superposed on the film body, and the adhesive layer is located on one side surface of the film body close to the outer casing.
As a preferable technical solution of the GIS device, the thickness of the film body is 10 μm to 20 μm.
As a preferable technical scheme of the GIS device, the membrane body is made of a transparent material.
As a preferable technical solution of the GIS device, the film body is a BOOPP film.
As a preferred technical scheme of the GIS device, the protective film further includes an anti-oxidation layer, and the anti-oxidation layer is disposed on a side surface of the film body deviating from the adhesive layer.
As a preferable technical solution of the GIS device, the film body is provided with two layers, the two layers of film bodies are respectively stacked along the thickness direction of the protective film, a plurality of air cavities are arranged between the two layers of film bodies, and all the air cavities are distributed at intervals and are independent of each other.
As an optimized technical scheme of the GIS equipment, the side face, away from the bonding layer, of the membrane body, which deviates from the shell side, is provided with an anti-oxidation layer, and the side face, deviating from the membrane body, of the anti-oxidation layer is provided with a flame-retardant layer.
Conduct GIS equipment a preferred technical scheme, still including being used for measuring the gas pressure gauge of the inside atmospheric pressure of air chamber, gas pressure gauge sets up the outside of shell body, just gas pressure gauge pass through the connecting pipe with shell body coupling, the protection film corresponds the connecting pipe is provided with dodges the hole.
The invention has the beneficial effects that: the protective film is attached to one side face, away from the air chamber, of the outer shell, on one hand, the protective film can prevent one side face, away from the air chamber, of the outer shell from contacting with external air, and the service life of the GIS equipment is prolonged; on the other hand, when the outer case is rusted to form a rust hole, SF6 gas inside the gas chamber having a certain pressure is ejected from the rust hole at a high speed, and SF6 gas having a high speed pushes the protective film due to the ductility of the protective film, thereby forming a bulge protruding toward the outside of the outer case on the protective film. By the design, a maintainer can quickly find the rust hole according to the specific position of the bulge on the protective film, and the rust hole on the outer shell is blocked in time.
Drawings
The invention is explained in more detail below with reference to the figures and examples.
Fig. 1 is a schematic view of an overall structure of the GIS device according to the embodiment.
Fig. 2 is a cross-sectional view of an embodiment of the protective film.
Fig. 3 is a cross-sectional view of another embodiment of the protective film.
In the figure:
1. an outer housing; 2. a protective film; 201. a bonding layer; 202. a membrane body; 203. an anti-oxidation layer; 204. a flame retardant layer; 205. an air cavity; 3. a connecting pipe; 4. and a gas pressure gauge.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
As shown in fig. 1 to 3, the present invention provides a GIS device, which includes an outer casing 1 and a malleable protective film 2, wherein the outer casing 1 has a gas chamber therein, the gas chamber is filled with SF6 gas, and the protective film 2 is attached to a side of the outer casing 1 facing away from the gas chamber. In the embodiment, the protective film 2 is attached to one side surface of the outer shell 1, which is far away from the air chamber, so that on one hand, the protective film 2 can prevent one side surface of the outer shell 1, which is far away from the air chamber, from contacting with external air, and the service life of the GIS equipment is prolonged; on the other hand, when the outer case 1 is rusted to cause the rusty hole, the SF6 gas inside the gas chamber having a certain pressure is ejected from the rusty hole at a high speed, and the SF6 gas having a high speed pushes the protective film 2 due to the ductility of the protective film 2, thereby bulging on the protective film 2 toward the outside of the outer case 1. By the design, a maintainer can quickly find the rust hole according to the specific position of the bulge on the protective film 2, and the rust hole on the outer shell 1 is blocked in time.
Specifically, the protective film 2 completely covers a side of the outer casing 1 away from the gas chamber, so as to prevent SF6 gas from leaking from the connecting seam on the outer casing 1, which is beneficial to improving the sealing reliability of the outer casing 1.
The protective film 2 comprises a film body 202 and an adhesive layer 201 overlapped with the film body 202, wherein the adhesive layer 201 is positioned on one side surface of the film body 202 close to the outer shell 1. The membrane body 202 can be attached to the outer shell 1 through the adhesive layer 201, and when a rusting hole appears outside the outer shell 1, the SF6 gas with higher speed directly pushes the membrane body 202, so that a bulge is formed on the membrane body 202 in a protruding mode.
In an embodiment, the thickness of the film body 202 is set to be 10 μm to 20 μm, and the film body 202 in this thickness range can be pushed to form a bulge without being punctured by SF6 gas at a high speed, but in another embodiment, the thickness of the film body 202 may be specifically set according to actual needs, and the thickness of the film body 202 is not specifically limited herein.
In another embodiment, the film body 202 is made of a transparent material, the protective film 2 made of the material can be in a transparent state, and can be attached to the outer shell 1 to directly observe the outer shell 1, and in actual use, the degree of the outer shell 1 can be observed through the protective film 2, so that the outer shell 1 can be maintained in time.
Of course, in other embodiments, the film body 202 may also be made of a non-transparent material, and the material of the film body 202 is not particularly limited.
Preferably, the membrane body 202 is a BOOPP film.
In order to prolong the service life of the protection film 2, in the present embodiment, the protection film 2 further includes an oxidation resistant layer 203, and the oxidation resistant layer 203 is disposed on a side of the film body 202 facing away from the adhesive layer 201. The anti-oxidation layer 203 is disposed to prevent the film body 202 from directly contacting with air, thereby preventing the film body 202 from being oxidized. Specifically, the thickness of the anti-oxidation layer 203 is 5-8 μm, and in the embodiment of the invention, the anti-oxidation layer is made of Cr2N material.
In another embodiment, the film body 202 is provided with two layers, the two layers of film bodies 202 are respectively stacked along the thickness direction of the protective film 2, a plurality of air cavities 205 are arranged between the two layers of film bodies 202, and all the air cavities 205 are distributed at intervals and are independent of each other. When the protection film 2 of this kind of structure, SF6 gas permeate to the shell body 1 outside from the gas chamber is inside, the SF6 gas of high speed can carry out the ejection to protection film 2, and the air cavity 205 that is located between two-layer membrane body 202 can cushion the ejecting force of SF6 gas, prevents SF6 gas stab protection film 2, sets up under less condition at the thickness of membrane body 202, is favorable to improving the reliability of protection film 2.
As a preferred embodiment, an anti-oxidation layer 203 is disposed on a side of the film body 202 away from the adhesive layer 201 and away from the outer shell 1, a flame retardant layer 204 is disposed on a side of the anti-oxidation layer 203 away from the film body 202, and the flame retardant layer 204 is disposed so that the upper protective film 2 has a function of fire prevention and realizes the flame retardancy of the protective film 2. Wherein the flame retardant layer 204 is a halogen-free high-efficiency organic nitrogen-phosphorus compound flame retardant. The thickness of the anti-oxidation layer 203 is 5-8 μm, in this embodiment, the anti-oxidation layer is made of Cr2N material.
This embodiment GIS equipment still including the gas pressure table 4 that is used for measuring the inside atmospheric pressure of air chamber, gas pressure table 4 sets up the outside of shell body 1, just gas pressure table 4 through connecting pipe 3 with shell body 1 is connected, protection film 2 corresponds connecting pipe 3 is provided with dodges the hole. At the in-process that uses, judge the inside phenomenon that whether appears gas leakage of GSI equipment through observing gas pressure table 4, if gas pressure table 4 adds the pressure value of surveying the air chamber inside and reduces, judge the SF6 gas leakage for GIS equipment, then inspect protection film 2, find the swell on the protection film 2 rapidly to confirm the concrete position of gas leakage on the shell body 1, and then can carry out the shutoff to the position of this department gas leakage, guarantee the normal use of GIS equipment.
In the description herein, it is to be understood that the terms "upper," "lower," "left," "right," and the like are based on the orientation or positional relationship shown in the drawings for convenience in description and simplicity of operation, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be appropriately combined to form other embodiments as will be appreciated by those skilled in the art.
The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.
Claims (10)
1. The GIS equipment is characterized by comprising an outer shell and a malleable protective film, wherein an air chamber is arranged inside the outer shell, SF6 gas is filled in the air chamber, and the protective film is attached to one side face, deviating from the air chamber, of the outer shell.
2. The GIS device of claim 1 wherein the protective film completely covers a side of the outer housing facing away from the plenum.
3. The GIS device of claim 2 wherein the protective film includes a film body and an adhesive layer overlying the film body, the adhesive layer being disposed on a side of the film body adjacent to the outer housing.
4. The GIS device of claim 3 wherein the membrane body has a thickness of 10 to 20 μ ι η.
5. The GIS device of claim 3 wherein the membrane body is made of a transparent material.
6. The GIS device of claim 3 wherein the membrane body is a BOOPP film.
7. The GIS device of claim 3 wherein the protective film further comprises an oxidation resistant layer disposed on a side of the film body facing away from the adhesive layer.
8. The GIS device of claim 3, wherein the film body is provided with two layers, the two layers of film bodies are respectively stacked along a thickness direction of the protective film, a plurality of air cavities are arranged between the two layers of film bodies, and all the air cavities are distributed at intervals and are independent of each other.
9. The GIS device of claim 8 wherein a side of the membrane body distal from the adhesive layer facing away from the housing is provided with an oxidation resistant layer, and a side of the oxidation resistant layer facing away from the membrane body is provided with a flame retardant layer.
10. The GIS device of claim 3 further comprising a gas pressure gauge for measuring the gas pressure inside the gas chamber, wherein the gas pressure gauge is arranged outside the outer shell and connected with the outer shell through a connecting pipe, and the protective film is provided with an avoiding hole corresponding to the connecting pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010327465.3A CN111509608B (en) | 2020-04-23 | 2020-04-23 | GIS equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010327465.3A CN111509608B (en) | 2020-04-23 | 2020-04-23 | GIS equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111509608A true CN111509608A (en) | 2020-08-07 |
| CN111509608B CN111509608B (en) | 2021-11-16 |
Family
ID=71872943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010327465.3A Active CN111509608B (en) | 2020-04-23 | 2020-04-23 | GIS equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111509608B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201983910U (en) * | 2010-09-14 | 2011-09-21 | 江苏省电力公司南通供电公司 | Leak detection binder for SF6 breaker equipment |
| CN202295755U (en) * | 2011-09-28 | 2012-07-04 | 中国西电电气股份有限公司 | Binding film for gas insulated substation (GIS) electric gas tightness detection and binding structure thereof |
| CN102661835A (en) * | 2012-05-14 | 2012-09-12 | 天津市电力公司 | Binding film for leakage detection of sulfur hexafluoride electric equipment |
| CN103954401A (en) * | 2014-04-09 | 2014-07-30 | 国家电网公司 | SF6 gas leakage locating insulation tape used for GIS |
| CN204159231U (en) * | 2014-05-16 | 2015-02-18 | 天津海普尔膜科技有限公司 | Interior pressure-pipe type film film pipe leakage detection apparatus |
| CN104390745A (en) * | 2014-11-18 | 2015-03-04 | 广州供电局有限公司 | Device and method for detecting and testing airtightness of SF6 of GIS equipment transition flange |
| CN207231738U (en) * | 2017-07-31 | 2018-04-13 | 河南平高电气股份有限公司 | A kind of cover board air-tightness detection device |
| CN108610899A (en) * | 2018-03-28 | 2018-10-02 | 国网山西省电力公司晋中供电公司 | A kind of novel perception coating |
| EP3382733A1 (en) * | 2017-03-31 | 2018-10-03 | General Electric Technology GmbH | High- and medium-voltage gas-insulated substation presenting an electrically conductive polyaniline coating |
| CN209278829U (en) * | 2018-12-12 | 2019-08-20 | 江苏宏远管业有限公司 | A kind of mating GIS aluminum cylinder of High-Voltage Electrical Appliances |
| CN209841302U (en) * | 2019-05-08 | 2019-12-24 | 国网山西省电力公司检修分公司 | SF used in gas insulated totally-enclosed combined electrical apparatus6Gas leakage detection device |
-
2020
- 2020-04-23 CN CN202010327465.3A patent/CN111509608B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201983910U (en) * | 2010-09-14 | 2011-09-21 | 江苏省电力公司南通供电公司 | Leak detection binder for SF6 breaker equipment |
| CN202295755U (en) * | 2011-09-28 | 2012-07-04 | 中国西电电气股份有限公司 | Binding film for gas insulated substation (GIS) electric gas tightness detection and binding structure thereof |
| CN102661835A (en) * | 2012-05-14 | 2012-09-12 | 天津市电力公司 | Binding film for leakage detection of sulfur hexafluoride electric equipment |
| CN103954401A (en) * | 2014-04-09 | 2014-07-30 | 国家电网公司 | SF6 gas leakage locating insulation tape used for GIS |
| CN204159231U (en) * | 2014-05-16 | 2015-02-18 | 天津海普尔膜科技有限公司 | Interior pressure-pipe type film film pipe leakage detection apparatus |
| CN104390745A (en) * | 2014-11-18 | 2015-03-04 | 广州供电局有限公司 | Device and method for detecting and testing airtightness of SF6 of GIS equipment transition flange |
| EP3382733A1 (en) * | 2017-03-31 | 2018-10-03 | General Electric Technology GmbH | High- and medium-voltage gas-insulated substation presenting an electrically conductive polyaniline coating |
| CN207231738U (en) * | 2017-07-31 | 2018-04-13 | 河南平高电气股份有限公司 | A kind of cover board air-tightness detection device |
| CN108610899A (en) * | 2018-03-28 | 2018-10-02 | 国网山西省电力公司晋中供电公司 | A kind of novel perception coating |
| CN209278829U (en) * | 2018-12-12 | 2019-08-20 | 江苏宏远管业有限公司 | A kind of mating GIS aluminum cylinder of High-Voltage Electrical Appliances |
| CN209841302U (en) * | 2019-05-08 | 2019-12-24 | 国网山西省电力公司检修分公司 | SF used in gas insulated totally-enclosed combined electrical apparatus6Gas leakage detection device |
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| Title |
|---|
| 吕欣: "GIS中SF6气体泄漏点的监测分析与改进", 《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111509608B (en) | 2021-11-16 |
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